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How many thermostats does a car have?

I’ve been having some issues with my car, so I had my brothers take a look at it. One says the issue is with my thermostat and the other disagrees. Then they got into an argument about how many thermostats my car has. I’d like to settle it and move on. How many thermostats does a car actually have?

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Chloe Jenkins · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Most cars have two thermostats, but the number can vary depending on the car. Typically, with two thermostats, one is connected to your car’s AC system and one to the engine cooling system.
The thermostats help circulate coolant either through your car’s engine or AC system, along with other intricate parts. Without your thermostats, your car would overheat. If you’re currently having problems with your engine temperature, the thermostat is a likely culprit.
Since a faulty thermostat can lead to serious problems, the best thing to do is take your car to a professional. They can easily diagnose the issue to keep your car safe.
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